Add 80/2 and 21/72
1st number: 40 0/2, 2nd number: 21/72
80/2 + 21/72 is 967/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
80/2 = 80 × 36/2 × 36 = 2880/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
2880/72 + 21/72 = 2880 + 21/72 = 2901/72 - 2901/72 simplified gives 967/24
- So, 80/2 + 21/72 = 967/24
In mixed form: 407/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+42/72 80/4+21/72 80/2+63/72 80/6+21/72 80/10+21/72 80/14+21/72